SA515360136B1 - Methods, Devices and Systems for Detecting Objects in a Video - Google Patents
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Abstract
Description
_— \ _ طرق وأجهزة وأنظمة للكشف عن أهداف في محتوى فيديو Methods, devices and systems for detecting objects in a video الوصف الكامل_— \ _ Methods, devices and systems for detecting objects in a video Full description
خلفية الاختراعInvention background
يتعلق الاختراع الحالي بمراقبة بالفيديو ؛ Jie طرق ونظم المراقبة بالفيديو وطرق ونظم التحققThe present invention relates to video surveillance; Jie Video surveillance methods and systems, verification methods and systems
بالفيديو. يتم الكشف عن نظم وأجهزة وطرق المراقبة بالفيديو؛ التي يمكن أن تكشف البشر. يمكنwith video. Video surveillance systems, devices and methods are disclosed; that humans can detect. maybe
أن تقوم؛ نظم؛ وأجهزة وطرق عملية المراقبة بالفيديو بعد DA و/أو مراقبة تسلسلات أحداثto rise; Organized; Devices and methods for post-DA video surveillance and/or event sequence monitoring
fo] ازدحام بشري في تدفقات الفيديو.fo] human traffic in video streams.
يمكن أن يُستخدم نظام المراقبة بالفيدير (IVS) Intelligent Video Surveillance لدىThe Intelligent Video Surveillance System (IVS) can be used at
الاستخبارات لكشف أحداث محل أهمية في تدفقات تغذية بالفيديو في الوقت الحقيقي أو خارجIntelligence to detect events of interest in video feeds in real time or out
الشبكة (على سبيل JEL) بمراجعة الفيديو المسجل والمخزن مسبقاً). نمطياً يتم تحقيق هذه المهمةNetwork (eg JEL) checks previously stored and recorded video). Typically this task is achieved
بكشف وتتبع الأهداف محل الأهمية. وهذا الأمر يعمل بصورة جيدة عادة عندما لا يكون المشهد Vo مزدحم. ومع ذلك؛ يمكن أن ينخفض أداء Jie هذا النظام بصورة ذات دلالة إحصائية في المشاهدDetect and track targets of interest. This usually works well when the Vo scene is not crowded. However; Jie performance of this system can decrease statistically significantly in scenes
المزدحمة. في الواقع؛ تحدث Jie هذه المشاهد المزدحمة مراراً؛ وبالتالي؛ تكون إمكانية كشفcrowded. In reality; Jie brings up these crowded scenes over and over again; And therefore; be detectable
الأفراد في المناطق المزدحمة أمر ذي أهمية كبرى. يمكن استخدام Jie هذا الكشف للأفراد للعدPeople in crowded areas are of great importance. Jie can use this list for people to count
وتحليلات الازدحامات (a) مثل الكثافة المزدحمة؛ تكوين مزدحم وتشتيت الازدحام.and crowding analyzes (a) such as crowded density; Crowded composition and congestion dispersal.
يعالج عمل تحليل الازدحام السابق بعض السيناريوهات المزدحمة للغاية المحددة مثل أحداث ٠ رياضية أو دينية معينة. ومع ذلك» هناك dala أيضا للتركيز على سيناريوهات مراقبة أكثر شيوعاًThe above congestion analysis work addresses some specific very busy scenarios such as 0 certain sports or religious events. However, there is also a dala to focus on more common monitoring scenarios
Gua يمكن أن تتشكل ازدحامات كبيرة من حين لآخر. هذه السيناريوهات تتضمن الأماكن العامةGua can get big traffic from time to time. These scenarios include public places
مثل الشوارع؛ مراكز التسوقء المطارات محطات الحافلات والقطارات؛ إلخ.like the streets; shopping malls; airports; bus and train stations; etc.
ase أضحت مشكلة تقدير كثافة Alani) أو عد الأفراد في الازدحام تحظى باهتمامات بالغة فيase The problem of estimating Alani density, or counting individuals in a crowd, has become a matter of keen interest in
مجتمع الأبحاث فضلاً عن الصناعة. تتضمن الأساليب القائمة في المقام الأول الطرق المبنية ٠ على الخرائط (غير المباشرة) و/أو الطرق المبنية على الكشف (المباشرة).the research community as well as industry. Existing methods primarily include map-based (indirect) and/or discovery-based (direct) methods.
كنكKnock
ا يمكن أن تحاول طريقة أساسها الخريطة تحديد بالخريطة عدد الأهداف من البشر وفقاً لسمات صورة مستخلصة؛_مثل Jae بكسلات الحركة motion pixels حجم البقعة الأمامية foreground blob size ؛ الحواف الأمامية foreground edges ؛ مجموعة من الأركان الأمامية ؛ وسمات الصورة الأخرى. عادة تتطلب الطريقة التي أساسها الخريطة التدريب على أنواع © مختلفة من سيناريوهات الفيديو. يتركز البحث في الأساس على البحث عن سمات يعتمد عليها تتوافق تماما مع عد الأفراد log كيفية التعامل مع بعض القضايا الخاصة Jie الظلال والشكل المنظوري بالكاميرات . في ظل الكثير من السيناريوهات؛ يمكن أن توفر الطريقة التي أساسها الخريطة تقديرات دقيقة إلى حد ما بعد الأشخاص مع توفير فيديوهات تدريب كافية. ومع ذلك؛ عادة ما يكون الأداء معتمداً على المنظرء ويمكن أن تكون المواقع الفعلية لكل ٠ فرد غير متاحة. بمقدور طريقة أساسها الكشف عد عدد الأفراد في المنظر بتمييز كل هدف بشري مفرد. وقد تركز البحث على الكشف البشري؛ وكشف الأجزاء البشرية واعتبار الربط بين الكشف والتتبع. يمكن أن توفر هذه الطرق كشف وعد أكثر دقة في السيناريوهات المزدحمة بدرجة بسيطة. في حالة إتاحة موقع كل فرد؛ يمكن أن يتسنى حساب كثافة الحشود بالموقع. تتمثل التحديات الرئيسية لهذه الطرق ١ في التكلفة الحسابية الأعلى؛ والتعلم المبني على وجهة النظر ومتطلبات حجم الصورة البشرية الكبيرة نسبياً. تتناول النماذج الموصوفة في الطلب الحالي بعض من هذه المشاكال الخاصة بالنظم القائمة. الوصف العام للاختراع تقدم النماذج التي تم الكشف عنها Seals (Goh ونظم لإجراء تحليل ذكي لصور فيديو لكشف ٠ أجسام؛ Jie أجسام بشرية. في نماذج معينة؛ طريقة لكشف أجسام بشرية في فيديو تشتمل على تحديد أن بكسلات معينة من صورة الفيديو تمثل بكسلات أمامية ؛ حيث تشكل المجموعة من البكسلات الأمامية مجموعة بقعة أمامية من واحدة أو أكثر من البقع الأمامية؛ لكل واحد من مواقع !اا في صورة الفيديوء حيث لا تمثل عدد صحيح؛ تقارن شكل محدد مسبقاً مع مجموعة البقعة الأمامية للحصول على احتمالية كنكA map-based method could attempt to map the number of human targets according to the attributes of an extracted image; _eg Jae motion pixels foreground blob size ; foreground edges; a set of front corners; and other image attributes. The map-based method usually requires training in different types of video scenarios. The research is mainly focused on searching for reliable features that are fully compatible with the counting of individuals (log), how to deal with some issues related to Jie shadows and the perspective shape of cameras. Under many scenarios; The map-based method can provide fairly accurate people distance estimates with sufficient training videos. However; Performance is usually viewfinder dependent and actual locations per 0 individual may not be available. A detection-based method can count the number of individuals in a scene by recognizing each individual human target. The research focused on human detection; Detecting human parts and considering the link between detection and tracking. These methods can provide more accurate detection and counting in slightly overcrowded scenarios. if each individual's location is available; It is possible to calculate the crowd density of the site. The main challenges of these methods 1 are the higher computational cost; And learning based on the point of view and the requirements of the size of the human image is relatively large. The models described in the present application address some of these problems of existing systems. GENERAL DESCRIPTION OF THE INVENTION The disclosed models provide Seals (Goh) and systems for performing intelligent analysis of video images to detect 0 objects; Video represents foreground pixels, where a group of foreground pixels forms a front spot group of one or more foreground spots, for each of the A! locations in the video image where it is not an integer, compares a predetermined shape with the front spot group to obtain the probability of being
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مناظرة لإنسان في الموقع؛ وبالتالي يتم الحصول على احتمالات N تناظر احتمالات لا؛ واستخدامcorresponding to a human on site; Thus, N probabilities corresponding to no probabilities are obtained; and use
احتمالات لاا وتحديد أن X أشخاص يتم تمثيلهم بواسطة مجموعة البقعة dele) حيث أن Xprobabilities and specify that X persons are represented by the spot group dele) where X
تمثل عدد صحيح.represent an integer.
طريقة لكشف أجسام بشرية في pad يمكن أن تشتمل على تحديد بكسلات صورة الفيديو لمنظرA method for detecting human subjects in the pad that may involve pixelating the video image of a scene
© في العالم الحقيقي Jia بكسلات أمامية؛ وأن مجموعة من البكسلات الأمامية تشكل مجموعة بقعة© in the real world Jia front pixels; and that a group of front pixels form a spot group
أمامية من واحدة أو أكثر من البقع الأمامية؛ ولكل واحد من مواقع لاا في صورة الفيديو؛ حيث Nanterior of one or more anterior spots; And for each of the locations of the la's in the video image; where N
Ji عدد صحيح؛ تقارن شكل محدد مسبقاً مع مجموعة البقعة الأمامية لتحديد أن X أشخاص يتمJi is an integer; Compares a predetermined shape with the frontal spot group to determine that X persons are formed
تمثيلهم بواسطة مجموعة البقعة الأمامية؛ حيث أن Jia X عدد صحيح.their representation by the frontal macula group; Where Jia X is an integer.
يمكن أن تتضمن الطرق تحديد موقع كل واحد من X أشخاص . يمكن تحديد مواقع كل واحد من X Yo أشخاص على Lua موقع د اخل مستوى أفقي من العالم الحقيقي 3 مثل موقع على مستوى أرضMethods can include locating each of the X people. Each of the X Yo people on Lua can locate a location within a horizontal plane of the real world 3 such as a location on a ground level
مادية من العالم الحقيقي.material from the real world.
يمكن استخدام كشف الأجسام البشرية لعد الأفراد. لتحليلات الحشود ولاكتشافات أحداث أخرى.Human body detection can be used to count individuals. For crowd analyzes and for other event detections.
يتم الكشف عن نظام Seals يمكن تهيئتها لإجراء Jie هذه الطرق.The Seals system can be configured to perform Jie detection in these ways.
أوساط قابلة للقراءة readable media بواسطة حاسب آلي تحتوي على برمجيات software 5 يمكن استخدامها لتهيئة حاسب آلي لإجراء العمليات الموصوفة في الطلب الحالي وتشتمل علىComputer readable media containing software 5 that can be used to configure a computer to perform the operations described in the present application and include
نماذج أخرى من الاختراع.Other models of the invention.
شرح مختصر للرسوماتBrief description of the graphics
ستكون النماذج التمثيلية مفهومة بمزيد من الوضوح من الوصف التفصيلي التالي عند تناولهاRepresentative models will be more clearly understood from the following detailed description when they are taken up
بالاشتراك مع الأشكال المرفقة. تمثل الأشكال نماذج تمثيلية غير مقيدة طبقاً لما تم وصفه في ye الطلب الحالي.In combination with the attached figures. The figures represent unconstrained representative forms as described in ye the present order.
الشكل ١ يوضح نظام مراقبة نموذج بالفيديو وفقاً لأحد النماذج التمثيلية من الاختراع.Figure 1 illustrates a model video surveillance system according to one of the representative models of the invention.
TegTeg
Qo _ _ الشكل ١ يوضح هيكل تمثيلي من تيار فيديو من نظام المراقبة بالفيديو وفقاً لأحد النماذج التمثيلية من الاختراع. الشكل “أ يوضح مخطط تدفق بياني تمثيلي لكشف هدف وعد Ty لأحد النماذج التمثيلية من الاختراع. © الشكل "ب يوضح أحد الأمثلة حيث يشغل العديد من النماذج البشرية صورة لفيديو ثنائية الأبعاد؛ كل منها يناظر موقع مختلف بالنسبة إلى صورة الفيديو ثنائية الأبعاد الشكل ؟ج يوضح صف مفرد من إحداثيات تمييز (*؛ لا) ١7؟ كل منها مرتبط بنموذج بشري مناظر NY الشكل OF يوضح طريقة تمثيلية لحساب خريطة احتمالية بشرية. ٠ الشكل AY يوضح طريقة تمثيلية لإجراء خريطة مفردة لخريطة الاحتمالية كجزءٍ من إيجاد أفضل عدد من النماذج البشرية في صورة فيديو . الشكل SF يوضح طريقة shal مجموعة تمريرات لخريطة الاحتمالية فيما يتعلق بإيجاد أفضل عدد من النماذج البشرية في صورة فيديو . الشكل ؛ يوضح zis بشري شامل يتضمن zis اسطواني ثلاثي الأبعاد Three— dimensional Vo ونموذج هيكله المحدب convex hull المناظر ثنائي الأبعاد. الشكل © يوضح نموذج كاميرا شامل مسطح الأرض يمكن معايرته باستخدام العديد من عينات الصور البشرية. الأشكال ١أ؛ 1ب و ١7ج توضح نتائج كشف تمثيلية. الأشكال Vy و اج : توضح أحد الأمثلة لرؤية كثافة حشود بشرية بناء على نتائج الكشف 9ص البشري. الشكل A يوضح تطبيقات تمثيلية لكشف أحداث متنوعة متعلقة بالحشود. كنكQo _ _ Figure 1 shows a representative structure of a video stream from a video surveillance system according to one of the representative embodiments of the invention. Figure A shows a representative flowchart of Ty promise target detection for one representative embodiment of the invention. © Figure B shows an example where several human models occupy a 2D video image; each corresponds to a different location relative to the 2D video image. Human analogue NY Figure OF shows a representative method for calculating a human probability map. The shal method is a pass set of probability map for finding the best number of human models in a video image. 2D views Figure © showing a pan-Earth camera model that can be calibrated using many human image samples Figures 1a, 1b and 17c show representative detection results Figures Vy and C: illustrate an example of a population density visualization based on Results of human detection pp. 9. Figure A shows representative applications for detecting various weed-related events friendship. knk
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US201261700033P | 2012-09-12 | 2012-09-12 | |
US13/838,511 US9165190B2 (en) | 2012-09-12 | 2013-03-15 | 3D human pose and shape modeling |
PCT/US2013/059471 WO2014043353A2 (en) | 2012-09-12 | 2013-09-12 | Methods, devices and systems for detecting objects in a video |
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